30849756368 has 10 divisors (see below), whose sum is σ = 59771402994. Its totient is φ = 15424878176.

The previous prime is 30849756331. The next prime is 30849756389. The reversal of 30849756368 is 86365794803.

It can be written as a sum of positive squares in only one way, i.e., 30832550464 + 17205904 = 175592^2 + 4148^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 964054871 + ... + 964054902.

Almost surely, 2^30849756368 is an apocalyptic number.

It is an amenable number.

30849756368 is a deficient number, since it is larger than the sum of its proper divisors (28921646626).

30849756368 is a wasteful number, since it uses less digits than its factorization.

30849756368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928109781 (or 1928109775 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 59.

The spelling of 30849756368 in words is "thirty billion, eight hundred forty-nine million, seven hundred fifty-six thousand, three hundred sixty-eight".